Portable
PLUS
Computer
Replaceable
Parts
9·13
Table
9·5.
Motherboard PCA Replacement Parts (Continued)
(A2) Reference
HP
Description
Quantity
Designation
Part Number
SI
3101·2816
Switch, reset
1
Tl
9100-4226
Transformer, 5V
1
Ul
1820-3533
Integrated Circuit,
80C86 CPU
1
U2
1820-3208
Integrated Circuit, 74HC393
1
U3, U4, U5
1820-3486
Integrated Circuit, 82C82
3
U6
1820-3488
Integrated Circuit, 82C84
1
U7, U9, U13
1820-3079
Integrated Circuit, 74HC138
3
U8,
Ull,
U12
1820-3330
Integrated Circuit, 74HC245
3
UI0
5061-7274
Integrated Circuit, LCD controller
II
1
U14
1828-2924
Integrated Circuit,
74HC02
1
U15
lLB3-0003
Integrated Circuit, HP-IL interface
1
U16, U18
lLK5-0001
Integrated Circuit, multicontroller
2
U17
1820-4105
Integrated Circuit, PPU
1
U19
1820-4311
Integrated Circuit,
LTl032
1
U20, U21
1820-3185
Integrated Circuit, 74HC14N
2
U22
1820-1655
Integrated Circuit,
47C906
1
U23
1813-0459
Integrated Circuit, 5-MHz oscillator
1
U50
1826-1358
Integrated Circuit,
UC3906
1
U52
1826-1162
Integrated Circuit, LP311N
1
U53
1820-1745
Integrated Circuit,
MC14001
BCP
1
VR1,
VR2
1902-0953
Diode, zener 6.2V
5%
2
VR3,
VR4
1902-0970
Diode, zener 33V
O.4W
2
VR5
1902-0952
Diode,
zener
5.6V
O.4W
1
VR50
1826-1167
Diode, reference
1
VR51
1902-0962
Diode, zener 15V 5%
1
W50, W51
8159-0005
Jumper,
Of!
2
Yl
0410-1519
Crystal, 16 MHz
1
Y2
0410-1567
Crystal, 1 MHz
1
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